#region License
// Copyright 2008-2009 Jeremy Skinner (http://www.jeremyskinner.co.uk)
// 
// Licensed under the Apache License, Version 2.0 (the "License"); 
// you may not use this file except in compliance with the License. 
// You may obtain a copy of the License at 
// 
// http://www.apache.org/licenses/LICENSE-2.0 
// 
// Unless required by applicable law or agreed to in writing, software 
// distributed under the License is distributed on an "AS IS" BASIS, 
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
// See the License for the specific language governing permissions and 
// limitations under the License.
// 
// The latest version of this file can be found at http://www.codeplex.com/FluentValidation
#endregion

namespace FluentValidation {
    using System.Collections.Generic;
    using System.Linq;
    using Internal;
    using Validators;

    public class ValidatorDescriptor<T> : IValidatorDescriptor<T> {
        public ValidatorDescriptor(IEnumerable<IValidationRule<T>> ruleBuilders) {
            Rules = ruleBuilders;
        }

        protected IEnumerable<IValidationRule<T>> Rules { get; private set; }

        #region IValidatorDescriptor<T> Members
        public string GetName(string property) {
            string nameUsed = Rules
                .OfType<IPropertyRule<T>>()
                .Where(x => x.Member == property)
                .Select(x => x.PropertyDescription).FirstOrDefault();

            return nameUsed;
        }

        public ILookup<string, IPropertyValidator> GetMembersWithValidators() {
            return Rules.OfType<ISimplePropertyRule<T>>()
                .ToLookup(x => x.Member, x => (IPropertyValidator)x.Validator);
        }

        #endregion
    }
}